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Author Question: Why does the Moon lack a true atmosphere? What will be an ideal ... (Read 38 times)

Starlight

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on: Jul 27, 2018
Why does the Moon lack a true atmosphere?
 
  What will be an ideal response?

Question 2

If the density of the universe is at the critical density, this means that:
 
  A) the universe is expanding at a rate equal to the escape speed of the universe.
  B) the universe is expanding at a rate less than the escape speed of the universe.
  C) the universe is expanding at a rate greater than the escape speed of the universe.
  D) the universe is expanding at a rate equal to the speed of light.
  E) the universe is expanding at a rate greater than the speed of light.


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Anonymous

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Reply #1 on: Jul 27, 2018
Answer to Question 1

Its atmosphere escaped into space due to the low surface gravity of the Moon, although there is atenuous atmosphere of magnesium, potassium, and sodium kicked up by the solar wind.

Answer to Question 2

A


Starlight

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Reply #2 on: Jul 27, 2018
Thanks


Anonymous

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Reply #3 on: Jul 27, 2018
Welcome :)


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